波束图 meaning in Chinese
beam pattern
Examples
- It is shown that the practical beam patterns are severely distorted due to these errors
研究表明，阵列模型失配会使实测波束图严重畸变。 - An efficient method is proposed for designing time domain wcbb to alleviate these effects by measuring the practical array model and applying it in the designing procedure
通过实验获取实际阵列模型，基于此模型的设计可以有效缓解这种失配所引起的波束图畸变。 - This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed , which are the method of resampling signals received by the array , the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method , respectively . examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented . compared with conventional broadband adaptive algorithms , the presented method can reduce computation work greatly
提出了一种简单、易于实现的恒定束宽波束形成器设计方法，该方法对阵形和阵元指向性没有任何限制；分别提出了基于阵列接收数据重采样、基于dft插值和自适应综合的三种具有频率不变波束图的宽带波束形成器设计方法，对于每一种设计方法都给出了一个设计实例并做了性能分析；提出一种基于dft插值的简化线性约束最小方差宽带自适应阵列算法，该方法可以大大降低自适应阵列的运算量。